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(No Model.) 2 SheetsSheet 1.

A. ENGLE & S. O. THOMPSON. APPARATUS FOR. DESTROYING GARBAGE, NIGHTSOIL, &c. No. 508,511.

Patented Nov. 14,1893.

YHE NlYXONAL LIYHORRAPNING COMPANY WASH NGTQN D C (No Model.) 2 Sheets-Sheet 2.

v AQ BNGLB & s. 0. THOMPSON. APPARATUS FOR DESTROYING GARBAGE, NIGHTSOIL, 550.

N0. 508,511. Patented NOV.'14", 1893.

.,/,J i fi V L Ln uoaaumua coma wnanmurou n UNIT STATES PATENT 5 OFFICE.

ANDREW ENGLE, OF DES MOINES, IOWA, AND SAMUEL o. THOMPSON, OF BALDWIN, KANSAS; SAID THOMPSON ASSIGNOR TO 0. HUTTENLOOHER,

' F DES MOINESQIOWA.

APPARATUS FO'R'DESTROYING GARBAGE, NIGHT-SOIL, 860.

SPECIFICATION forming part of Letters Patent No. 508,511, dated November 14, 1893.

7 Application filed February 9, 1892- Serial No. 420,926. (No model.)

To all whom it may concern.-

Be it known that we, ANDREW Enennof Des Moines, in the county of Polk and State of.

Iowa, and SAMUEL G. THOMPSON, of Bald win, in the county of Douglas andState of Kansas, have invented a new and useful Apparatus for Destroying Garbage, Night-Soil, 850., of which the following is a specification.

Our object is to facilitate the burning and destruction of garbage and other comparatively dry offensive refuse matter, and also night soil and other Wet and offensive substances, without foulingthe atmosphere of the locality where our method is practiced.

Our invention consists in an apparatus for simultaneously drying andburning separated deposits of matter.

In the accompanying drawings Figure l is adetail longitudinal sectional viewof our apparatus showing the wagon platform and portions of inclined approaches at the'ends of the platform and furnace. Fig. 2 is a horizontal sectional view through the line a: no of Fig. 1, clearly showing the relative positions of the separate receptacles and places for separately drying and burning deposits of matter that is to be destroyed. Fig. 3 is a longitudinal sectional view throughv the line y y r Fig. 2. Fig. 4. is a transverse sectional View through the line 2 z of Fig. 2 showing the means for collecting liquid in the bottom of the furnace to be evaporated by heat generated from the matter drained and dried and burned on the grates.

A is the front wall, A the parallel rear wall, A the end walls and At transverse division walls of the main portion of our apparatus that is adapted to receive, retain, drain, dry and burn garbage andwet and offensive o matter that is to be destroyed. The Walls A extend from the front wall A to another wall that is parallel with the wall A as hereinafter described. Each compartment produced by means of the walls A has an arched roof and an opening in the roof that is provided with a'removable cover B. -A grate B in the lower portion of each compartment the grate B a door 0 between the grates B and B and a door 0 below. the grate B D is a'wallv parallel with and at some distance fromtherearwall A An arched roof D connects them at their tops as required to produce a continuous chamber in rear of the compartment'in front of the wall A and open ings F in the'wall Dallow direct communication between each chamber in front of the wall D and the chamber in rear thereof.v

H is aboiler fitted and fixed between the bottom portions of the walls A and D. The wall D has openings H at its bottom that allow liquid matter drained from garbage on the grates B and upon the inclined bottom B to enter the chamber under the boiler H and to be evaporated by the products of combustion generated on the grates B and B as hereinafter specified.

H are doors in the bottom portion of the rear wallIA through which access is gained to thechamber and liquid receptacle between, the parallel walls A and D, required to receive sediment that may accumulate therein.

, J? is a tube provided with a funnel shaped open .top through which liquid matter may,

be conveyed direct from the wagon platform on top of the apparatus to the chamber at the bottom adapted to receive and evaporate liquids. r I c K is a chimney at the end of the parallel o walls D and A K is an arched wall, between the two walls D and A that produces an elbow-shaped passage Way between the continuous chamber at the top portion of the parallel walls D and A and the chimney, as shown in Fig. 3.

K is a damper adapted for closing the elbow-shaped passageway as required to close communication between the said continuous chamber and the chimney K.

L is a wall between the bottom portion of the walls D and A and under the arched wall K and L is a grate that extends between the said two walls in a plane near the top of the wall L in such a manner that a fire can be maintained thereon to consume all the oflensive odors and gases that may escape from the liquids and solids subjected to the action of the fires upon the grates B and B in the compartments between the parallel walls A and A M represents a sheet metal wall facing.

N is a door through which access is gained to the grate L as required to start and maintain a fire thereupon, and N is a door to the chamber under the grate L P is the door at theend of the continuous liquid chamber.

R and S represent inclined approaches at the ends of the apparatus adapted for driving over as required to carry garbage and other matter in wagons to the platform on top of the series of compartments and to dump it into the compartments direct from the wagon into the compartments and upon the grates L therein.

It is obvious that compartments at one end may be used while compartments at the other end are empty and undergoing repairs.

In the practical operation of our method and apparatuswe dump garbage and other solid matter upon the grates B and start fires on the grates B and open the damper K so as to allow the products of combustion to pass upward and to envelop the matter on the grates 13 in their passage way through the opening F in the wall D and the continuous chamber in rear thereof and from thence over a fire on the grate L to the chimney K. Any number of compartments may be thus simultaneously utilized for drying matter on the grates B But as it is not practical to fill each compartment at the same time those first filled may have the matter on their grates B dried and charred while others are being filled. So the matter thus dried and charred in the compartments can he raked forward on the grates B and allowed to fall on the grates B to be burned and utilized for generating heat to dry and prepare additional matter dumped on the grates B The operation can thus be continuous in drying, charring, burning and destroying garbage and other offensive refuse matter without allowing any oifensive odor or gas to escape through the chimney to vitiate the atmosphere outside of the apparatus. i

To evaporate the liquid in the continuous chamber at the rear of the inclined bottom B it is only necessary to close the damper K so that the products of combustion will pass from the grates B and B into the continuous chamber and over the fire upon the grate L to the chimney. Offensive odors and gases generated by the evaporation of liquid will also thus be prevented, by the fire on the grate L from escaping through the chimney and the products of combustion that come in contact with the boiler will be utilized for heating water and generating steam.

We claim as our invention- 1. An apparatus for destroying garbage, night soil and other offensive solids and liquids, comprising a series of contiguous chambershavingcoveredtopsandopeningsthrough their tops, a grate in the lower portion of each of said chambers extending from the rear wall to near the front wall, a grate in a lower plane in each chamber extending from the front wall rearwardly, an inclined bottom extended from said lower grates downward to the rear wall, a continuous chamber for liquids extended along the lower rear edge of said inclined bottom, a second chamber extending over the said chamber for retaining liquids and having communication with each one of the chambers having grates, a chimney at some distance from the ends of the two chambers in rear of the chambers having grates, apassage-way leading from the said two chambers in rear of the grates to the chimney, a damper for closing the passage from the upper end of the said chambers to direct the products of combustion from the grates through the lower chamber to evaporate liquid therein, a grate in the passage way between the chamber containing the liquid and the chimney, means for conveying and depositing matter into the series of contiguous chambers and upon the grates therein, and doors in the walls for gaining access to the different chambers, all arranged and combined to operate in the manner set forth for the purposes stated.

2. An apparatus for destroying garbage &c., and generating steam, comprising a series of contiguous parallel compartments adapted for retaining and draining and drying wet and oifensive matter on grates therein, grates in same compartments in a lower plane for burning the dried matter, a chamber in the rear of said compartments and in a lower plane to receive the liquid drained from the matter on the upper grates in the said compartments, a boiler in a plane above the said ICC boiler, all arranged and combined to opera e\ in the manner set forth.

ANDREW ENGLE.

SAMUEL c. THOMPSON.

Witnesses as to the signature of 'Andrew Engle:

J. RALPH ORWIG, THOMAS G. ORWIG. Witnesses as to the signature of Samuel C. Thompson: 7

F. A. OoLWELL,

GEO. J. McCLURE. 

